NGC 6945
| Galaxy NGC 6945 |
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|---|---|
![NGC 6945 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC6945_-_SDSS_DR14.jpg)
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| NGC 6945 SDSS image | |
| AladinLite | |
| Constellation | Aquarius |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 20 h 39 m 00.62 s |
| declination | -04 ° 58 ′ 21.3 ″ |
| Appearance | |
| Morphological type | E-S0 |
| Brightness (visual) | 13.4 mag |
| Brightness (B-band) | 14.4 mag |
| Angular expansion | 1.6 '× 0.8' |
| Position angle | 126 ° |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.012665 ± 0.000033 |
| Radial velocity | 3797 ± 10 km / s |
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Stroke distance v rad / H 0 |
(176 ± 12) · 10 6 ly (53.9 ± 3.8) Mpc |
| history | |
| discovery | Albert Marth |
| Discovery date | July 12, 1864 |
| Catalog names | |
| NGC 6945 • PGC 65132 • MCG -01-52-015 • 2MASX J20390064-0458215 • GALEX ASC J203900.62-045820.7 • LDCE 1410 NED003 • WISEA J203900.59-045821.1 | |
NGC 6945 is an elliptical galaxy of Hubble type E / S0 in the constellation Aquarius on the ecliptic . It is an estimated 176 million light years away from the Milky Way and about 80,000 light years in diameter .
In the same area of the sky is u. a. the galaxy NGC 6941 .
The object was discovered by Albert Marth on July 12, 1864 .